<ui-check-group z-model="vals">
    <ui-check value="apple">
        苹果
    </ui-check>
    <ui-check value="strawberry">
        草莓
    </ui-check>
    <ui-check value="watermelon">
        西瓜
    </ui-check>
</ui-check-group>
<div>
    选择的是：<span z-bind="vals"></span>
</div>
<button z-on:click="changeValue">修改值 = ["apple"]</button>